The FIA‘s decision not to investigate the clash between Mercedes team-mates at Spa has left Lewis Hamilton unsure as to what is now deemed to be fair racing.

Despite Rosberg admitting to be at fault for the collision and copping disciplinary action from his Mercedes team, the FIA stood its ground and decided not to reopen an investigation into the incident.

In a heated press conference ahead of this weekend’s Italian Grand Prix at Monza, Hamilton claims he is now confused as to what is determined acceptable racing by the FIA.

“I think the FIA have a really tough job and particularly over the last couple of years they have done an exceptional job on a majority of the calls,” said Hamilton.

“Their (FIA) problem is that the scenario is always different so the same rule doesn’t always apply exactly – sometimes it is difficult to say which rules apply to what situation.

“It is a good question to be honest. How do we move forward from that?

“Does that mean we can now all say we can race a lot closer and if the guy in front comes off and is out of the race nothing will happen, so they will be more relaxed about it?

“Or does it mean if it happens again there will be a penalty?

“We are always asking to be able to race. It is hard out there to manoeuvre a car at high speeds without sometimes having contact, but there is a fine line.

“I don’t have the full answer to it.”

Meanwhile, Rosberg insists that the atmosphere between the two garages has not changed in the lead up to Monza.

“In general there has been throughout the season a healthy rivalry, within the team also,” said Rosberg.

“That is why we are where we are. We have the best car out there, we are the best team at the moment and that’s because we work well as a team.

“If you don’t work well as a team you can’t dominate the sport as we are at the moment, so that’s proof.

“It’s been very clear from the beginning that we must not have contact between us team-mates so from that point of view that doesn’t change for the future, that stays the same.”